Try to get MPV tests working on null audio device

.gitlab-ci.yml

@@ -36,8 +36,6 @@ test:
     - apt install xvfb
     - Xvfb :119 -screen 0 1024x768x16 &
     - export DISPLAY=:119
-    - pulseaudio -D --system --exit-idle-time=-1
-    - pactl load-module module-null-sink sink_name=DummyOutput sink_properties=device.description="Virtual_Dummy_Output"
   script:
     - pipenv run ./cicd/pytest.sh
   artifacts:

sublime/players/mpv.py

@@ -24,6 +24,8 @@ class MPVPlayer(Player):
     _volume = 100.0
     _muted = False
 
+    _is_mock = False
+
     @staticmethod
     def get_configuration_options() -> Dict[str, Union[Type, Tuple[str, ...]]]:
         return {REPLAY_GAIN_KEY: ("Disabled", "Track", "Album")}
@@ -37,6 +39,8 @@ class MPVPlayer(Player):
         config: Dict[str, Union[str, int, bool]],
     ):
         self.mpv = mpv.MPV()
+        if MPVPlayer._is_mock:
+            self.mpv.audio_device = "null"
         self.mpv.audio_client_name = "sublime-music"
         self.change_settings(config)
 

tests/player_tests/mpv_tests.py

@@ -4,6 +4,8 @@ from time import sleep
 
 from sublime.players.mpv import MPVPlayer
 
+MPVPlayer._is_mock = True
+
 
 def test_init():
     empty_fn = lambda *a, **k: None